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Synthesis, structure and photoluminescence properties of Ce3+-doped SrSc2O4: a new scandate green-emitting phosphor with blue excitation

Abstract

Novel Ce3+-doped SrSc2O4 phosphors were synthesized via the solid state method. The crystal structure and morphology were characterized by the X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The photoluminescence properties, quantum efficiency, CIE value and thermal stability of SrSc2O4:Ce3+ phosphors were investigated in detail to evaluate the application in LEDs. The photoluminescence results revealed that the phosphors have an excitation band in the blue region from 400 to 470 nm and a broad green emission band peaking at about 491 nm. The above results indicated that the phosphors can be effectively excited by blue light and could be a promising candidate as green-emitting phosphor for application in LEDs.

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Publication details

The article was received on 08 Apr 2017, accepted on 16 May 2017 and first published on 17 May 2017


Article type: Paper
DOI: 10.1039/C7NJ01171G
Citation: New J. Chem., 2017, Accepted Manuscript
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    Synthesis, structure and photoluminescence properties of Ce3+-doped SrSc2O4: a new scandate green-emitting phosphor with blue excitation

    G. Li, Y. Fan, H. Guo and Y. Wang, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01171G

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